+++ /dev/null
-# media-feature-name-no-unknown
-
-Disallow unknown media feature names.
-
-```css
-@media (min-width: 700px) {}
-/** ↑
- * These media feature names */
-```
-
-This rule considers media feature names defined in the CSS Specifications, up to and including Editor's Drafts, to be known.
-
-All vendor-prefixed media feature names are ignored.
-
-Caveat: Media feature names within a [range context](https://www.w3.org/TR/mediaqueries-4/#mq-ranges) are currently ignored.
-
-## Options
-
-### `true`
-
-The following patterns are considered violations:
-
-```css
-@media screen and (unknown) {}
-```
-
-```css
-@media screen and (unknown: 10px) {}
-```
-
-The following patterns are *not* considered violations:
-
-```css
-@media all and (monochrome) {}
-```
-
-```css
-@media (min-width: 700px) {}
-```
-
-```css
-@media (MIN-WIDTH: 700px) {}
-```
-
-```css
-@media (min-width: 700px) and (orientation: landscape) {}
-```
-
-```css
-@media (-webkit-min-device-pixel-ratio: 2) {}
-```
-
-## Optional secondary options
-
-### `ignoreMediaFeatureNames: ["/regex/", "string"]`
-
-Given:
-
-```js
-["/^my-/", "custom"]
-```
-
-The following patterns are *not* considered violations:
-
-```css
-@media screen and (my-media-feature-name) {}
-```
-
-```css
-@media screen and (custom: 10px) {}
-```
-
-```css
-@media (min-width: 700px) and (custom: 10px) {}
-```